Home / 20,341.92-30,508.10-11,461.11

Finding the Fourth Proportional to 20,341.92, 30,508.10 and 11,461.11

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Solution

The fourth proportional to 20,341.92, 30,508.10 and 11,461.11 is: 17,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341.92 : 30,508.10 = 11,461.11 : x
  2. Step 2: Convert to fraction form
    20,341.92/30,508.10 = 11,461.11/x
  3. Step 3: Cross multiply
    20,341.92x = 30,508.10 × 11,461.11
  4. Step 4: Simplify right side
    20,341.92x = 349,656,689.99
  5. Step 5: Solve for x
    x = 349,656,689.99/20,341.92
  6. Step 6: Final answer
    x = 17,188.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.